Patents Represented by Attorney Kevin B. McCoff

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  • Perforating charge for use in a well
    Patent number: 7984674
    Abstract: A perforating charge for use in a wellbore includes an explosive and a liner to be collapsed by detonation of the explosive. The liner includes at least a first liner portion and a second liner portion which have different cohesiveness.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: July 26, 2011
    Assignee: Schlumberger Technology Corporation
    Inventors: Brenden M. Grove, Andrew T. Werner, Philip Kneisl